From 7239fcc41efd9c7192726c46a9405116f30e872d Mon Sep 17 00:00:00 2001
From: Shivam Mittal <shivammittal99@gmail.com>
Date: Sun, 28 Jan 2018 21:01:11 +0530
Subject: [PATCH] Relocate createOrFindClonedNode, _uncommmonedNodes to OpenJ9

Signed-off-by: Shivam Mittal <shivammittal99@gmail.com>
---
 compiler/codegen/OMRCodeGenerator.cpp | 23 -----------------------
 compiler/codegen/OMRCodeGenerator.hpp |  3 ---
 2 files changed, 26 deletions(-)

diff --git a/compiler/codegen/OMRCodeGenerator.cpp b/compiler/codegen/OMRCodeGenerator.cpp
index 02f7c09bb8a..bea20b060b1 100644
--- a/compiler/codegen/OMRCodeGenerator.cpp
+++ b/compiler/codegen/OMRCodeGenerator.cpp
@@ -182,7 +182,6 @@ OMR::CodeGenerator::CodeGenerator() :
       _implicitExceptionPoint(0),
       _localsThatAreStored(NULL),
       _numLocalsWhenStoreAnalysisWasDone(-1),
-      _uncommmonedNodes(self()->comp()->trMemory(), stackAlloc),
       _ialoadUnneeded(self()->comp()->trMemory()),
      _symRefTab(self()->comp()->getSymRefTab()),
      _vmThreadRegister(NULL),
@@ -1376,28 +1375,6 @@ bool OMR::CodeGenerator::areAssignableGPRsScarce()
       return (self()->getMaximumNumbersOfAssignableGPRs() <= threshold);
    }
 
-// J9
-//
-TR::Node *
-OMR::CodeGenerator::createOrFindClonedNode(TR::Node *node, int32_t numChildren)
-   {
-   TR_HashId index;
-   if (!_uncommmonedNodes.locate(node->getGlobalIndex(), index))
-      {
-      // has not been uncommoned already, clone and store for later
-      TR::Node *clone = TR::Node::copy(node, numChildren);
-      _uncommmonedNodes.add(node->getGlobalIndex(), index, clone);
-      node = clone;
-      }
-   else
-      {
-      // found previously cloned node
-      node = (TR::Node *) _uncommmonedNodes.getData(index);
-      }
-   return node;
-   }
-
-
 // returns true iff, based on opcodes and offsets if two store/load/address nodes are definitely disjoint (i.e. guaranteed not to overlap)
 // any combination of stores,loads and address nodes are allowed as node1 and node2
 // The return tells how node1 and node2 is overlapped (TR_StorageOverlapKind)
diff --git a/compiler/codegen/OMRCodeGenerator.hpp b/compiler/codegen/OMRCodeGenerator.hpp
index 7e7504bb09d..721f8da09ca 100644
--- a/compiler/codegen/OMRCodeGenerator.hpp
+++ b/compiler/codegen/OMRCodeGenerator.hpp
@@ -269,7 +269,6 @@ class OMR_EXTENSIBLE CodeGenerator
 
    TR_BitVector *_localsThatAreStored;
    int32_t _numLocalsWhenStoreAnalysisWasDone;
-   TR_HashTabInt _uncommmonedNodes;               // uncommoned nodes keyed by the original nodes
    List<TR_Pair<TR::Node, int32_t> > _ialoadUnneeded;
 
    public:
@@ -1337,8 +1336,6 @@ class OMR_EXTENSIBLE CodeGenerator
 
    // --------------------------------------------------------------------------
 
-   TR::Node *createOrFindClonedNode(TR::Node *node, int32_t numChildren);
-
    void zeroOutAutoOnEdge(TR::SymbolReference * liveAutoSym, TR::Block *block, TR::Block *succBlock, TR::list<TR::Block*> *newBlocks, TR_ScratchList<TR::Node> *fsdStores);
 
    bool constantAddressesCanChangeSize(TR::Node *node);